Is CVE-2023-42506 actively exploited?

No active exploitation of CVE-2023-42506 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2023-42506 be exploited remotely?

No. CVE-2023-42506 requires local access to exploit.

What is the CVSS score of CVE-2023-42506?

CVE-2023-42506 has a CVSS score of 7.8 (HIGH).

HOME VULNERABILITIESCVE-2023-42506

HIGH

CVE-2023-42506

CWE-119Published: October 17, 2023· Updated: Jun 17, 2026

7.8

CVSS v3.1

Official Description

Improper restriction of operations within the bounds of a memory buffer issue exists in OnSinView2 versions 2.0.1 and earlier. If this vulnerability is exploited, information may be disclosed or arbitrary code may be executed by having a user open a specially crafted OnSinView2 project file.

NVD Source

Technical Analysis

CVE-2023-42506 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 7.8.

From a weakness classification perspective (CWE-119): Buffer overflow vulnerabilities can lead to arbitrary code execution or denial of service by corrupting adjacent memory.